DC 5V 4-Channel USB Control PC/PLC Controlled Relay Module soldering paste The compact design and durable

The compact design and durable construction make it suitable for use in tight spaces and in environments requiring repeated connections and disconnections

1 x Sensor cable

meticulously designed to provide robust protection and superior heat dissipation

3 pole Male cable connector with metal housing and metal contacts

The B103 Potentiometer is a three-terminal variable resistor that is used to vary or change the resistance

DC 5V 4-Channel USB Control PC/PLC Controlled Relay Module soldering paste The compact design and durableThis DC 5V 4 Channel USB Control Relay Module is designed for controlling external devices through a USB connection with a PC, PLC, or microcontroller. It enables easy automation and control of up to four independent electrical loads such as lamps, motors, fans, or other appliances via computer software or commands. Ideal for industrial automation, home automation, testing, and development applications. Features 4 channel relay control via USB